The 90 Years of Open Web Steel Joist Construction download includes:First Edition Composite Steel Joist Catalog (2007) and Supplement No. 1 for the Standard Specifications for Composite Steel Joists & Code of Standard Practice42nd Edition Standard Specifications and Load and Weight Tables for Steel Joists and Joist Girders (2005)43rd Edition Standard Specifications and Load and Weight Tables for Steel Joists and Joist Girders (2010), which includes Errata No. 1 and No. 244th Edition Standard Specifications and Load and Weight Tables for Steel Joists and Joist Girders (2017)75-Year Steel Joist ManualSupplement Number 1, Standard Specifications for Composite Steel Joists and Code of Standard PracticeThe 75 Year Manual has proven to be a valuable tool for the practicing engineer when researching older joist construction and evaluating these joists for new loading conditions. You can only purchase this in electronic format.